Fuel Pressure Test Port

01 Silverado 1500 4x4 ext cab 4.8 Motor...

Where would I find the test port on the fuel lines to test the fuel pressure? Anyone?

Thanks a lot!!

On the fuel pressure rail.

01 Silverado 1500 4x4 ext cab 4.8 Motor...

Where would I find the test port on the fuel lines to test the fuel pressure? Anyone?

Thanks a lot!!

this is on the passenger side of the engine,,,top middle of intake...shrader valve...cap should be on it...